1 Flashcards by Yummy Yananana

Q

first true periodic table

A

antoine lavoisier

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Q

triad

A

johann dobereiner

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Q

octaves

A

newland

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Q

phys and chem properties are periodic fx of their atomic wt

A

meyer & mendeleev

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Q

modern periodic table

A

henry moseley

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Q

period total

A

7

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Q

family/grp total

A

18

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Q

how many elements

A

118

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Q

lightest element

A

hydrogen

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Q

lightest metal

A

lithium

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Q

2nd lightest element

A

helium

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Q

densest element

A

osmium

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Q

liquid metal

A

mercury

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Q

inert gases

A

he, ne, ar, kr, xe, rn, uuo

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Q

diatomic elements

A

I F H O N Cl Br

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Q

most abundant noble gas

A

argon

Q

least abundant noble gas

A

xenon

Q

most abundant element on earth

A

oxygen

Q

2nd most abundant element on earth

A

silicon

Q

3rd most abundant element on earth

A

aluminum

Q

most abundant metal on earth

A

aluminum

Q

most abundant intracellular cation

A

potassium

Q

most abundant extracellular cation

A

sodium

Q

2nd most abundant extracellular

A

calcium

2nd most abundant intracellular

magnesium

most abundant gas in air

nitrogen

most abundant hydrogen isotope

protium

most toxix metal

beryllium

most impt element in engineering

iron

king of all metals

gold

king of all elements

carbon

representative elements: what block?

s block, p block

transition metals : what block?

d block

inner transition elements? what block?

lanthanide and actinide series, f block